/* ===================================
   Mobile-First Breakpoints (min-width)
   =================================== */

/* --- 中型裝置 (≥ 640px) --- */
@media (min-width: 640px) {
    .scroll-logo img {
        width: 150px;
    }
}

/* --- 平板裝置 (≥ 768px) --- */
@media (min-width: 768px) {
    .scroll-logo {
        top: 20px;
        left: 20px;
    }
    
    .scroll-logo img {
        width: 160px;
    }

    .hamburger {
        top: 30px;
        right: 30px;
    }
    
    .footer {
        padding: 20px 40px;
    }
    
    .to-top-btn {
        width: 50px;
        height: 50px;
        bottom: 30px;
        right: 30px;
    }
}

/* --- 小型桌機 (≥ 1024px) --- */
@media (min-width: 1024px) {
    .scroll-logo {
        top: 30px;
        left: 30px;
    }
    
    .scroll-logo img {
        width: 170px;
    }

    .hamburger {
        top: 40px;
        right: 40px;
    }
}

/* --- 大型桌機 (≥ 1200px) --- */
@media (min-width: 1200px) {
}

/* --- 超大型桌機 (≥ 1440px) --- */
@media (min-width: 1440px) {
    .scroll-logo {
        top: 40px;
        left: 40px;
    }

    .scroll-logo img {
        width: 180px;
    }
    
}

/* ===================================
   Desktop-First Breakpoints (max-width)
   =================================== */

/* --- 手機與小型平板 (最大 767px) --- */
@media (max-width: 767px) {
    .scroll-logo {
        top: 15px;
        left: 15px;
    }
    
    .scroll-logo img {
        width: 120px;
        min-width: 100px;
    }
    
    .hamburger {
        top: 20px;
        right: 20px;
        width: 1.8rem;
        height: 1.3rem;
    }
    
    .hamburger span {
        height: 2.5px;
    }
    
    .mobile-menu {
        gap: 30px;
    }
    
    .mobile-menu a {
        font-size: 20px;
    }
    
    .mobile-social {
        gap: 25px;
        margin-top: 30px;
    }
    
    .mobile-social a {
        font-size: 28px;
    }
    
    .footer {
        padding: 30px 15px;
    }
    
    .footer-title {
        font-size: 20px;
    }
    
    .footer-text {
        font-size: 13px;
    }
    .to-top-btn {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* --- 小型手機 (最大 480px) --- */
@media (max-width: 480px) {
    .scroll-logo {
        top: 12px;
        left: 12px;
    }
    
    .scroll-logo img {
        width: 100px;
    }
    
    .hamburger {
        top: 15px;
        right: 15px;
        width: 1.6rem;
        height: 1.2rem;
    }
    
    .mobile-menu a {
        font-size: 18px;
    }
    
    .mobile-social a {
        font-size: 24px;
    }
    
    .footer {
        padding: 30px 15px;
    }
    
    .footer-title {
        font-size: 20px;
    }
    
    .footer-text {
        font-size: 13px;
    }
    
    .to-top-btn {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
}

/* --- 超小型手機 (最大 360px) --- */
@media (max-width: 360px) {
    .scroll-logo {
        top: 10px;
        left: 10px;
    }
    
    .scroll-logo img {
        width: 80px;
    }

    .hamburger {
        top: 12px;
        right: 12px;
        width: 1.4rem;
        height: 1rem;
    }
    
    .mobile-menu {
        gap: 25px;
    }
    
    .mobile-menu a {
        font-size: 16px;
    }
    
    .mobile-social {
        gap: 20px;
        margin-top: 25px;
    }
    
    .mobile-social a {
        font-size: 22px;
    }
}

/* ===================================
   橫向模式優化
   =================================== */

/* --- 橫向手機 --- */
@media (max-height: 500px) and (orientation: landscape) {
    .scroll-logo {
        top: 10px;
        left: 10px;
    }
    
    .hamburger {
        top: 15px;
        right: 15px;
        width: 1.5rem;
        height: 1.1rem;
    }
    
    .mobile-menu {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 30px 40px;
        padding: 20px;
    }
    
    .mobile-social {
        margin-top: 0;
    }
    
    .to-top-btn {
        width: 40px;
        height: 40px;
        bottom: 10px;
        right: 10px;
    }
}

/* --- 橫向平板 --- */
@media (min-width: 768px) and (max-height: 600px) and (orientation: landscape) {
    
    .hamburger {
        top: 20px;
        right: 20px;
    }
}

/* ===================================
   特殊裝置優化
   =================================== */

/* --- 觸控裝置優化 --- */
@media (hover: none) and (pointer: coarse) {
    /* 增大可觸控區域 */
    .hamburger {
        width: 2.5rem;
        height: 2rem;
        padding: 5px;
    }
    
    .to-top-btn {
        width: 50px;
        height: 50px;
    }
    
    .mobile-menu a {
        padding: 10px 20px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-social a {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}


/* ===================================
   Print 樣式
   =================================== */

@media print {
    .scroll-logo, 
    .hamburger, 
    .mobile-menu, 
    .to-top-btn,
    .cta-button {
        display: none !important;
    }
    
    body {
        margin: 0;
        padding: 0;
        background: white !important;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    * {
        color: #333 !important;
        background: white !important;
        box-shadow: none !important;
    }
    
    .footer {
        page-break-after: avoid;
    }
}

/* ===================================
   無障礙優化 (減少動畫)
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *, 
    *::before, 
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .scroll-logo img,
    .hamburger,
    .to-top-btn {
        transition: none !important;
    }
}

/* ===================================
   深色模式支援 (可選)
   =================================== */

@media (prefers-color-scheme: dark) {
    /* 如果需要支援深色模式，可以在這裡添加樣式 */
    /* 目前保留空白，未來可擴展 */
}